Home / 13,162,570.60-19,729,110.30-7,485,514.60

Finding the Fourth Proportional to 13,162,570.60, 19,729,110.30 and 7,485,514.60

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Solution

The fourth proportional to 13,162,570.60, 19,729,110.30 and 7,485,514.60 is: 11,219,886.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,162,570.60 : 19,729,110.30 = 7,485,514.60 : x
  2. Step 2: Convert to fraction form
    13,162,570.60/19,729,110.30 = 7,485,514.60/x
  3. Step 3: Cross multiply
    13,162,570.60x = 19,729,110.30 × 7,485,514.60
  4. Step 4: Simplify right side
    13,162,570.60x = 147,682,543,195,660.38
  5. Step 5: Solve for x
    x = 147,682,543,195,660.38/13,162,570.60
  6. Step 6: Final answer
    x = 11,219,886.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.